Perhaps you should try some spelling variations:
persona communication » personal communication, personal communications, personal communicator
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing 1 » developing _, developing a, developing e
die persona » die person, de persona, die personale
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
1 areas » 1 area, 2 areas, 4 areas

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologien dis information 3.2 die persona communication costs 2.2 developing 1 areas.*.